# Relationship history for MSHA mine 1002359

Current hierarchy: **Cody  Kinyon; Shanae  Kinyon → C K Excavation, L.L.C. → Portable 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** C K Excavation, L.L.C. → Portable 1; 2024-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Shanae  Kinyon et al → Portable 1; 2024-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shanae  Kinyon et al → C K Excavation, L.L.C.; 2024-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cody  Kinyon et al → C K Excavation, L.L.C.; 2024-03-14 to current/open; source msha-controller-operator-history